(core) Implementing row conditional formatting

Summary:
Conditional formatting can now be used for whole rows.
Related fix:
- Font styles weren't applicable for summary columns.
- Checkbox and slider weren't using colors properly

Test Plan: Existing and new tests

Reviewers: paulfitz, georgegevoian

Reviewed By: georgegevoian

Differential Revision: https://phab.getgrist.com/D3547

app/client/ui/FieldConfig.ts

@@ -2,7 +2,7 @@ import {CursorPos} from 'app/client/components/Cursor';
 import {GristDoc} from 'app/client/components/GristDoc';
 import {ColumnRec} from 'app/client/models/entities/ColumnRec';
 import {buildHighlightedCode, cssCodeBlock} from 'app/client/ui/CodeHighlight';
-import {cssBlockedCursor, cssEmptySeparator, cssLabel, cssRow} from 'app/client/ui/RightPanel';
+import {cssBlockedCursor, cssLabel, cssRow} from 'app/client/ui/RightPanelStyles';
 import {buildFormulaTriggers} from 'app/client/ui/TriggerFormulas';
 import {textButton} from 'app/client/ui2018/buttons';
 import {colors, testId} from 'app/client/ui2018/cssVars';
@@ -382,3 +382,7 @@ const cssColTieConnectors = styled('div', `
   border-left: none;
   z-index: -1;
 `);
+
+const cssEmptySeparator = styled('div', `
+  margin-top: 16px;
+`);